npm and error messages

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MIT License
Copyright (c) 2016 Geoffroy Warin
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# Friendly-errors-webpack-plugin
[![npm](https://img.shields.io/npm/v/friendly-errors-webpack-plugin.svg)](https://www.npmjs.com/package/friendly-errors-webpack-plugin)
[![Build Status](https://travis-ci.org/geowarin/friendly-errors-webpack-plugin.svg?branch=master)](https://travis-ci.org/geowarin/friendly-errors-webpack-plugin)
[![Build status](https://ci.appveyor.com/api/projects/status/w6fovc9lttaqgx3k/branch/master?svg=true)](https://ci.appveyor.com/project/geowarin/friendly-errors-webpack-plugin/branch/master)
Friendly-errors-webpack-plugin recognizes certain classes of webpack
errors and cleans, aggregates and prioritizes them to provide a better
Developer Experience.
It is easy to add types of errors so if you would like to see more
errors get handled, please open a [PR](https://help.github.com/articles/creating-a-pull-request/)!
## Getting started
### Installation
```bash
npm install friendly-errors-webpack-plugin --save-dev
```
### Basic usage
Simply add `FriendlyErrorsWebpackPlugin` to the plugin section in your Webpack config.
```javascript
var FriendlyErrorsWebpackPlugin = require('friendly-errors-webpack-plugin');
var webpackConfig = {
// ...
plugins: [
new FriendlyErrorsWebpackPlugin(),
],
// ...
}
```
### Turn off errors
You need to turn off all error logging by setting your webpack config quiet option to true.
```javascript
app.use(require('webpack-dev-middleware')(compiler, {
quiet: true,
publicPath: config.output.publicPath,
}));
```
If you use the webpack-dev-server, there is a setting in webpack's ```devServer``` options:
```javascript
// webpack config root
{
// ...
devServer: {
// ...
quiet: true,
// ...
},
// ...
}
```
If you use webpack-hot-middleware, that is done by setting the log option to `false`. You can do something sort of like this, depending upon your setup:
```javascript
app.use(require('webpack-hot-middleware')(compiler, {
log: false
}));
```
_Thanks to [webpack-dashboard](https://github.com/FormidableLabs/webpack-dashboard) for this piece of info._
## Demo
### Build success
![success](http://i.imgur.com/MkUEhYz.gif)
### eslint-loader errors
![lint](http://i.imgur.com/xYRkldr.gif)
### babel-loader syntax errors
![babel](http://i.imgur.com/W59z8WF.gif)
### Module not found
![babel](http://i.imgur.com/OivW4As.gif)
## Options
You can pass options to the plugin:
```js
new FriendlyErrorsPlugin({
compilationSuccessInfo: {
messages: ['You application is running here http://localhost:3000'],
notes: ['Some additionnal notes to be displayed unpon successful compilation']
},
onErrors: function (severity, errors) {
// You can listen to errors transformed and prioritized by the plugin
// severity can be 'error' or 'warning'
},
// should the console be cleared between each compilation?
// default is true
clearConsole: true,
// add formatters and transformers (see below)
additionalFormatters: [],
additionalTransformers: []
})
```
## Adding desktop notifications
The plugin has no native support for desktop notifications but it is easy
to add them thanks to [node-notifier](https://www.npmjs.com/package/node-notifier) for instance.
```js
var NotifierPlugin = require('friendly-errors-webpack-plugin');
var notifier = require('node-notifier');
var ICON = path.join(__dirname, 'icon.png');
new NotifierPlugin({
onErrors: (severity, errors) => {
if (severity !== 'error') {
return;
}
const error = errors[0];
notifier.notify({
title: "Webpack error",
message: severity + ': ' + error.name,
subtitle: error.file || '',
icon: ICON
});
}
})
]
```
## API
### Transformers and formatters
Webpack's errors processing, is done in four phases:
1. Extract relevant info from webpack errors. This is done by the plugin [here](https://github.com/geowarin/friendly-errors-webpack-plugin/blob/master/src/core/extractWebpackError.js)
2. Apply transformers to all errors to identify and annotate well know errors and give them a priority
3. Get only top priority error or top priority warnings if no errors are thrown
4. Apply formatters to all annotated errors
You can add transformers and formatters. Please see [transformErrors](https://github.com/geowarin/friendly-errors-webpack-plugin/blob/master/src/core/transformErrors.js),
and [formatErrors](https://github.com/geowarin/friendly-errors-webpack-plugin/blob/master/src/core/formatErrors.js)
in the source code and take a look a the [default transformers](https://github.com/geowarin/friendly-errors-webpack-plugin/tree/master/src/transformers)
and the [default formatters](https://github.com/geowarin/friendly-errors-webpack-plugin/tree/master/src/formatters).
## TODO
- [x] Make it compatible with node 4

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const FriendlyErrorsWebpackPlugin = require('./src/friendly-errors-plugin');
module.exports = FriendlyErrorsWebpackPlugin;

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'use strict';
function assembleStyles () {
var styles = {
modifiers: {
reset: [0, 0],
bold: [1, 22], // 21 isn't widely supported and 22 does the same thing
dim: [2, 22],
italic: [3, 23],
underline: [4, 24],
inverse: [7, 27],
hidden: [8, 28],
strikethrough: [9, 29]
},
colors: {
black: [30, 39],
red: [31, 39],
green: [32, 39],
yellow: [33, 39],
blue: [34, 39],
magenta: [35, 39],
cyan: [36, 39],
white: [37, 39],
gray: [90, 39]
},
bgColors: {
bgBlack: [40, 49],
bgRed: [41, 49],
bgGreen: [42, 49],
bgYellow: [43, 49],
bgBlue: [44, 49],
bgMagenta: [45, 49],
bgCyan: [46, 49],
bgWhite: [47, 49]
}
};
// fix humans
styles.colors.grey = styles.colors.gray;
Object.keys(styles).forEach(function (groupName) {
var group = styles[groupName];
Object.keys(group).forEach(function (styleName) {
var style = group[styleName];
styles[styleName] = group[styleName] = {
open: '\u001b[' + style[0] + 'm',
close: '\u001b[' + style[1] + 'm'
};
});
Object.defineProperty(styles, groupName, {
value: group,
enumerable: false
});
});
return styles;
}
Object.defineProperty(module, 'exports', {
enumerable: true,
get: assembleStyles
});

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The MIT License (MIT)
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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{
"_from": "ansi-styles@^2.2.1",
"_id": "ansi-styles@2.2.1",
"_inBundle": false,
"_integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
"_location": "/friendly-errors-webpack-plugin/ansi-styles",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "ansi-styles@^2.2.1",
"name": "ansi-styles",
"escapedName": "ansi-styles",
"rawSpec": "^2.2.1",
"saveSpec": null,
"fetchSpec": "^2.2.1"
},
"_requiredBy": [
"/friendly-errors-webpack-plugin/chalk"
],
"_resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
"_shasum": "b432dd3358b634cf75e1e4664368240533c1ddbe",
"_spec": "ansi-styles@^2.2.1",
"_where": "C:\\xampp\\htdocs\\w4rpservices\\node_modules\\friendly-errors-webpack-plugin\\node_modules\\chalk",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "sindresorhus.com"
},
"bugs": {
"url": "https://github.com/chalk/ansi-styles/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "ANSI escape codes for styling strings in the terminal",
"devDependencies": {
"mocha": "*"
},
"engines": {
"node": ">=0.10.0"
},
"files": [
"index.js"
],
"homepage": "https://github.com/chalk/ansi-styles#readme",
"keywords": [
"ansi",
"styles",
"color",
"colour",
"colors",
"terminal",
"console",
"cli",
"string",
"tty",
"escape",
"formatting",
"rgb",
"256",
"shell",
"xterm",
"log",
"logging",
"command-line",
"text"
],
"license": "MIT",
"maintainers": [
{
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "sindresorhus.com"
},
{
"name": "Joshua Appelman",
"email": "jappelman@xebia.com",
"url": "jbnicolai.com"
}
],
"name": "ansi-styles",
"repository": {
"type": "git",
"url": "git+https://github.com/chalk/ansi-styles.git"
},
"scripts": {
"test": "mocha"
},
"version": "2.2.1"
}

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# ansi-styles [![Build Status](https://travis-ci.org/chalk/ansi-styles.svg?branch=master)](https://travis-ci.org/chalk/ansi-styles)
> [ANSI escape codes](http://en.wikipedia.org/wiki/ANSI_escape_code#Colors_and_Styles) for styling strings in the terminal
You probably want the higher-level [chalk](https://github.com/chalk/chalk) module for styling your strings.
![](screenshot.png)
## Install
```
$ npm install --save ansi-styles
```
## Usage
```js
var ansi = require('ansi-styles');
console.log(ansi.green.open + 'Hello world!' + ansi.green.close);
```
## API
Each style has an `open` and `close` property.
## Styles
### Modifiers
- `reset`
- `bold`
- `dim`
- `italic` *(not widely supported)*
- `underline`
- `inverse`
- `hidden`
- `strikethrough` *(not widely supported)*
### Colors
- `black`
- `red`
- `green`
- `yellow`
- `blue`
- `magenta`
- `cyan`
- `white`
- `gray`
### Background colors
- `bgBlack`
- `bgRed`
- `bgGreen`
- `bgYellow`
- `bgBlue`
- `bgMagenta`
- `bgCyan`
- `bgWhite`
## Advanced usage
By default you get a map of styles, but the styles are also available as groups. They are non-enumerable so they don't show up unless you access them explicitly. This makes it easier to expose only a subset in a higher-level module.
- `ansi.modifiers`
- `ansi.colors`
- `ansi.bgColors`
###### Example
```js
console.log(ansi.colors.green.open);
```
## License
MIT © [Sindre Sorhus](http://sindresorhus.com)

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'use strict';
var escapeStringRegexp = require('escape-string-regexp');
var ansiStyles = require('ansi-styles');
var stripAnsi = require('strip-ansi');
var hasAnsi = require('has-ansi');
var supportsColor = require('supports-color');
var defineProps = Object.defineProperties;
var isSimpleWindowsTerm = process.platform === 'win32' && !/^xterm/i.test(process.env.TERM);
function Chalk(options) {
// detect mode if not set manually
this.enabled = !options || options.enabled === undefined ? supportsColor : options.enabled;
}
// use bright blue on Windows as the normal blue color is illegible
if (isSimpleWindowsTerm) {
ansiStyles.blue.open = '\u001b[94m';
}
var styles = (function () {
var ret = {};
Object.keys(ansiStyles).forEach(function (key) {
ansiStyles[key].closeRe = new RegExp(escapeStringRegexp(ansiStyles[key].close), 'g');
ret[key] = {
get: function () {
return build.call(this, this._styles.concat(key));
}
};
});
return ret;
})();
var proto = defineProps(function chalk() {}, styles);
function build(_styles) {
var builder = function () {
return applyStyle.apply(builder, arguments);
};
builder._styles = _styles;
builder.enabled = this.enabled;
// __proto__ is used because we must return a function, but there is
// no way to create a function with a different prototype.
/* eslint-disable no-proto */
builder.__proto__ = proto;
return builder;
}
function applyStyle() {
// support varags, but simply cast to string in case there's only one arg
var args = arguments;
var argsLen = args.length;
var str = argsLen !== 0 && String(arguments[0]);
if (argsLen > 1) {
// don't slice `arguments`, it prevents v8 optimizations
for (var a = 1; a < argsLen; a++) {
str += ' ' + args[a];
}
}
if (!this.enabled || !str) {
return str;
}
var nestedStyles = this._styles;
var i = nestedStyles.length;
// Turns out that on Windows dimmed gray text becomes invisible in cmd.exe,
// see https://github.com/chalk/chalk/issues/58
// If we're on Windows and we're dealing with a gray color, temporarily make 'dim' a noop.
var originalDim = ansiStyles.dim.open;
if (isSimpleWindowsTerm && (nestedStyles.indexOf('gray') !== -1 || nestedStyles.indexOf('grey') !== -1)) {
ansiStyles.dim.open = '';
}
while (i--) {
var code = ansiStyles[nestedStyles[i]];
// Replace any instances already present with a re-opening code
// otherwise only the part of the string until said closing code
// will be colored, and the rest will simply be 'plain'.
str = code.open + str.replace(code.closeRe, code.open) + code.close;
}
// Reset the original 'dim' if we changed it to work around the Windows dimmed gray issue.
ansiStyles.dim.open = originalDim;
return str;
}
function init() {
var ret = {};
Object.keys(styles).forEach(function (name) {
ret[name] = {
get: function () {
return build.call(this, [name]);
}
};
});
return ret;
}
defineProps(Chalk.prototype, init());
module.exports = new Chalk();
module.exports.styles = ansiStyles;
module.exports.hasColor = hasAnsi;
module.exports.stripColor = stripAnsi;
module.exports.supportsColor = supportsColor;

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The MIT License (MIT)
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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{
"_from": "chalk@^1.1.3",
"_id": "chalk@1.1.3",
"_inBundle": false,
"_integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
"_location": "/friendly-errors-webpack-plugin/chalk",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "chalk@^1.1.3",
"name": "chalk",
"escapedName": "chalk",
"rawSpec": "^1.1.3",
"saveSpec": null,
"fetchSpec": "^1.1.3"
},
"_requiredBy": [
"/friendly-errors-webpack-plugin"
],
"_resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
"_shasum": "a8115c55e4a702fe4d150abd3872822a7e09fc98",
"_spec": "chalk@^1.1.3",
"_where": "C:\\xampp\\htdocs\\w4rpservices\\node_modules\\friendly-errors-webpack-plugin",
"bugs": {
"url": "https://github.com/chalk/chalk/issues"
},
"bundleDependencies": false,
"dependencies": {
"ansi-styles": "^2.2.1",
"escape-string-regexp": "^1.0.2",
"has-ansi": "^2.0.0",
"strip-ansi": "^3.0.0",
"supports-color": "^2.0.0"
},
"deprecated": false,
"description": "Terminal string styling done right. Much color.",
"devDependencies": {
"coveralls": "^2.11.2",
"matcha": "^0.6.0",
"mocha": "*",
"nyc": "^3.0.0",
"require-uncached": "^1.0.2",
"resolve-from": "^1.0.0",
"semver": "^4.3.3",
"xo": "*"
},
"engines": {
"node": ">=0.10.0"
},
"files": [
"index.js"
],
"homepage": "https://github.com/chalk/chalk#readme",
"keywords": [
"color",
"colour",
"colors",
"terminal",
"console",
"cli",
"string",
"str",
"ansi",
"style",
"styles",
"tty",
"formatting",
"rgb",
"256",
"shell",
"xterm",
"log",
"logging",
"command-line",
"text"
],
"license": "MIT",
"maintainers": [
{
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "sindresorhus.com"
},
{
"name": "Joshua Appelman",
"email": "jappelman@xebia.com",
"url": "jbnicolai.com"
},
{
"name": "JD Ballard",
"email": "i.am.qix@gmail.com",
"url": "github.com/qix-"
}
],
"name": "chalk",
"repository": {
"type": "git",
"url": "git+https://github.com/chalk/chalk.git"
},
"scripts": {
"bench": "matcha benchmark.js",
"coverage": "nyc npm test && nyc report",
"coveralls": "nyc npm test && nyc report --reporter=text-lcov | coveralls",
"test": "xo && mocha"
},
"version": "1.1.3",
"xo": {
"envs": [
"node",
"mocha"
]
}
}

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<h1 align="center">
<br>
<br>
<img width="360" src="https://cdn.rawgit.com/chalk/chalk/19935d6484811c5e468817f846b7b3d417d7bf4a/logo.svg" alt="chalk">
<br>
<br>
<br>
</h1>
> Terminal string styling done right
[![Build Status](https://travis-ci.org/chalk/chalk.svg?branch=master)](https://travis-ci.org/chalk/chalk)
[![Coverage Status](https://coveralls.io/repos/chalk/chalk/badge.svg?branch=master)](https://coveralls.io/r/chalk/chalk?branch=master)
[![](http://img.shields.io/badge/unicorn-approved-ff69b4.svg)](https://www.youtube.com/watch?v=9auOCbH5Ns4)
[colors.js](https://github.com/Marak/colors.js) used to be the most popular string styling module, but it has serious deficiencies like extending `String.prototype` which causes all kinds of [problems](https://github.com/yeoman/yo/issues/68). Although there are other ones, they either do too much or not enough.
**Chalk is a clean and focused alternative.**
![](https://github.com/chalk/ansi-styles/raw/master/screenshot.png)
## Why
- Highly performant
- Doesn't extend `String.prototype`
- Expressive API
- Ability to nest styles
- Clean and focused
- Auto-detects color support
- Actively maintained
- [Used by ~4500 modules](https://www.npmjs.com/browse/depended/chalk) as of July 15, 2015
## Install
```
$ npm install --save chalk
```
## Usage
Chalk comes with an easy to use composable API where you just chain and nest the styles you want.
```js
var chalk = require('chalk');
// style a string
chalk.blue('Hello world!');
// combine styled and normal strings
chalk.blue('Hello') + 'World' + chalk.red('!');
// compose multiple styles using the chainable API
chalk.blue.bgRed.bold('Hello world!');
// pass in multiple arguments
chalk.blue('Hello', 'World!', 'Foo', 'bar', 'biz', 'baz');
// nest styles
chalk.red('Hello', chalk.underline.bgBlue('world') + '!');
// nest styles of the same type even (color, underline, background)
chalk.green(
'I am a green line ' +
chalk.blue.underline.bold('with a blue substring') +
' that becomes green again!'
);
```
Easily define your own themes.
```js
var chalk = require('chalk');
var error = chalk.bold.red;
console.log(error('Error!'));
```
Take advantage of console.log [string substitution](http://nodejs.org/docs/latest/api/console.html#console_console_log_data).
```js
var name = 'Sindre';
console.log(chalk.green('Hello %s'), name);
//=> Hello Sindre
```
## API
### chalk.`<style>[.<style>...](string, [string...])`
Example: `chalk.red.bold.underline('Hello', 'world');`
Chain [styles](#styles) and call the last one as a method with a string argument. Order doesn't matter, and later styles take precedent in case of a conflict. This simply means that `Chalk.red.yellow.green` is equivalent to `Chalk.green`.
Multiple arguments will be separated by space.
### chalk.enabled
Color support is automatically detected, but you can override it by setting the `enabled` property. You should however only do this in your own code as it applies globally to all chalk consumers.
If you need to change this in a reusable module create a new instance:
```js
var ctx = new chalk.constructor({enabled: false});
```
### chalk.supportsColor
Detect whether the terminal [supports color](https://github.com/chalk/supports-color). Used internally and handled for you, but exposed for convenience.
Can be overridden by the user with the flags `--color` and `--no-color`. For situations where using `--color` is not possible, add an environment variable `FORCE_COLOR` with any value to force color. Trumps `--no-color`.
### chalk.styles
Exposes the styles as [ANSI escape codes](https://github.com/chalk/ansi-styles).
Generally not useful, but you might need just the `.open` or `.close` escape code if you're mixing externally styled strings with your own.
```js
var chalk = require('chalk');
console.log(chalk.styles.red);
//=> {open: '\u001b[31m', close: '\u001b[39m'}
console.log(chalk.styles.red.open + 'Hello' + chalk.styles.red.close);
```
### chalk.hasColor(string)
Check whether a string [has color](https://github.com/chalk/has-ansi).
### chalk.stripColor(string)
[Strip color](https://github.com/chalk/strip-ansi) from a string.
Can be useful in combination with `.supportsColor` to strip color on externally styled text when it's not supported.
Example:
```js
var chalk = require('chalk');
var styledString = getText();
if (!chalk.supportsColor) {
styledString = chalk.stripColor(styledString);
}
```
## Styles
### Modifiers
- `reset`
- `bold`
- `dim`
- `italic` *(not widely supported)*
- `underline`
- `inverse`
- `hidden`
- `strikethrough` *(not widely supported)*
### Colors
- `black`
- `red`
- `green`
- `yellow`
- `blue` *(on Windows the bright version is used as normal blue is illegible)*
- `magenta`
- `cyan`
- `white`
- `gray`
### Background colors
- `bgBlack`
- `bgRed`
- `bgGreen`
- `bgYellow`
- `bgBlue`
- `bgMagenta`
- `bgCyan`
- `bgWhite`
## 256-colors
Chalk does not support anything other than the base eight colors, which guarantees it will work on all terminals and systems. Some terminals, specifically `xterm` compliant ones, will support the full range of 8-bit colors. For this the lower level [ansi-256-colors](https://github.com/jbnicolai/ansi-256-colors) package can be used.
## Windows
If you're on Windows, do yourself a favor and use [`cmder`](http://bliker.github.io/cmder/) instead of `cmd.exe`.
## Related
- [chalk-cli](https://github.com/chalk/chalk-cli) - CLI for this module
- [ansi-styles](https://github.com/chalk/ansi-styles/) - ANSI escape codes for styling strings in the terminal
- [supports-color](https://github.com/chalk/supports-color/) - Detect whether a terminal supports color
- [strip-ansi](https://github.com/chalk/strip-ansi) - Strip ANSI escape codes
- [has-ansi](https://github.com/chalk/has-ansi) - Check if a string has ANSI escape codes
- [ansi-regex](https://github.com/chalk/ansi-regex) - Regular expression for matching ANSI escape codes
- [wrap-ansi](https://github.com/chalk/wrap-ansi) - Wordwrap a string with ANSI escape codes
## License
MIT © [Sindre Sorhus](http://sindresorhus.com)

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@@ -0,0 +1,50 @@
'use strict';
var argv = process.argv;
var terminator = argv.indexOf('--');
var hasFlag = function (flag) {
flag = '--' + flag;
var pos = argv.indexOf(flag);
return pos !== -1 && (terminator !== -1 ? pos < terminator : true);
};
module.exports = (function () {
if ('FORCE_COLOR' in process.env) {
return true;
}
if (hasFlag('no-color') ||
hasFlag('no-colors') ||
hasFlag('color=false')) {
return false;
}
if (hasFlag('color') ||
hasFlag('colors') ||
hasFlag('color=true') ||
hasFlag('color=always')) {
return true;
}
if (process.stdout && !process.stdout.isTTY) {
return false;
}
if (process.platform === 'win32') {
return true;
}
if ('COLORTERM' in process.env) {
return true;
}
if (process.env.TERM === 'dumb') {
return false;
}
if (/^screen|^xterm|^vt100|color|ansi|cygwin|linux/i.test(process.env.TERM)) {
return true;
}
return false;
})();

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@@ -0,0 +1,21 @@
The MIT License (MIT)
Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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@@ -0,0 +1,89 @@
{
"_from": "supports-color@^2.0.0",
"_id": "supports-color@2.0.0",
"_inBundle": false,
"_integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
"_location": "/friendly-errors-webpack-plugin/supports-color",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "supports-color@^2.0.0",
"name": "supports-color",
"escapedName": "supports-color",
"rawSpec": "^2.0.0",
"saveSpec": null,
"fetchSpec": "^2.0.0"
},
"_requiredBy": [
"/friendly-errors-webpack-plugin/chalk"
],
"_resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
"_shasum": "535d045ce6b6363fa40117084629995e9df324c7",
"_spec": "supports-color@^2.0.0",
"_where": "C:\\xampp\\htdocs\\w4rpservices\\node_modules\\friendly-errors-webpack-plugin\\node_modules\\chalk",
"author": {
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "sindresorhus.com"
},
"bugs": {
"url": "https://github.com/chalk/supports-color/issues"
},
"bundleDependencies": false,
"deprecated": false,
"description": "Detect whether a terminal supports color",
"devDependencies": {
"mocha": "*",
"require-uncached": "^1.0.2"
},
"engines": {
"node": ">=0.8.0"
},
"files": [
"index.js"
],
"homepage": "https://github.com/chalk/supports-color#readme",
"keywords": [
"color",
"colour",
"colors",
"terminal",
"console",
"cli",
"ansi",
"styles",
"tty",
"rgb",
"256",
"shell",
"xterm",
"command-line",
"support",
"supports",
"capability",
"detect"
],
"license": "MIT",
"maintainers": [
{
"name": "Sindre Sorhus",
"email": "sindresorhus@gmail.com",
"url": "sindresorhus.com"
},
{
"name": "Joshua Appelman",
"email": "jappelman@xebia.com",
"url": "jbnicolai.com"
}
],
"name": "supports-color",
"repository": {
"type": "git",
"url": "git+https://github.com/chalk/supports-color.git"
},
"scripts": {
"test": "mocha"
},
"version": "2.0.0"
}

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# supports-color [![Build Status](https://travis-ci.org/chalk/supports-color.svg?branch=master)](https://travis-ci.org/chalk/supports-color)
> Detect whether a terminal supports color
## Install
```
$ npm install --save supports-color
```
## Usage
```js
var supportsColor = require('supports-color');
if (supportsColor) {
console.log('Terminal supports color');
}
```
It obeys the `--color` and `--no-color` CLI flags.
For situations where using `--color` is not possible, add an environment variable `FORCE_COLOR` with any value to force color. Trumps `--no-color`.
## Related
- [supports-color-cli](https://github.com/chalk/supports-color-cli) - CLI for this module
- [chalk](https://github.com/chalk/chalk) - Terminal string styling done right
## License
MIT © [Sindre Sorhus](http://sindresorhus.com)

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{
"_from": "friendly-errors-webpack-plugin@^1.6.1",
"_id": "friendly-errors-webpack-plugin@1.7.0",
"_inBundle": false,
"_integrity": "sha512-K27M3VK30wVoOarP651zDmb93R9zF28usW4ocaK3mfQeIEI5BPht/EzZs5E8QLLwbLRJQMwscAjDxYPb1FuNiw==",
"_location": "/friendly-errors-webpack-plugin",
"_phantomChildren": {
"escape-string-regexp": "1.0.5",
"has-ansi": "2.0.0",
"strip-ansi": "3.0.1"
},
"_requested": {
"type": "range",
"registry": true,
"raw": "friendly-errors-webpack-plugin@^1.6.1",
"name": "friendly-errors-webpack-plugin",
"escapedName": "friendly-errors-webpack-plugin",
"rawSpec": "^1.6.1",
"saveSpec": null,
"fetchSpec": "^1.6.1"
},
"_requiredBy": [
"/laravel-mix"
],
"_resolved": "https://registry.npmjs.org/friendly-errors-webpack-plugin/-/friendly-errors-webpack-plugin-1.7.0.tgz",
"_shasum": "efc86cbb816224565861a1be7a9d84d0aafea136",
"_spec": "friendly-errors-webpack-plugin@^1.6.1",
"_where": "C:\\xampp\\htdocs\\w4rpservices\\node_modules\\laravel-mix",
"author": {
"name": "Geoffroy Warin"
},
"bugs": {
"url": "https://github.com/geowarin/friendly-errors-webpack-plugin/issues"
},
"bundleDependencies": false,
"dependencies": {
"chalk": "^1.1.3",
"error-stack-parser": "^2.0.0",
"string-width": "^2.0.0"
},
"deprecated": false,
"description": "Recognizes certain classes of webpack errors and cleans, aggregates and prioritizes them to provide a better Developer Experience",
"devDependencies": {
"babel-core": "^6.23.1",
"babel-eslint": "^7.1.1",
"babel-loader": "^6.3.0",
"babel-plugin-transform-async-to-generator": "^6.22.0",
"babel-preset-react": "^6.23.0",
"eslint": "^3.16.1",
"eslint-loader": "^1.6.1",
"expect": "^1.20.2",
"jest": "^18.1.0",
"memory-fs": "^0.4.1",
"webpack": "^2.2.1"
},
"files": [
"src",
"index.js"
],
"homepage": "https://github.com/geowarin/friendly-errors-webpack-plugin#readme",
"keywords": [
"friendly",
"errors",
"webpack",
"plugin"
],
"license": "MIT",
"main": "index.js",
"name": "friendly-errors-webpack-plugin",
"peerDependencies": {
"webpack": "^2.0.0 || ^3.0.0 || ^4.0.0"
},
"repository": {
"type": "git",
"url": "git+https://github.com/geowarin/friendly-errors-webpack-plugin.git"
},
"scripts": {
"test": "eslint --ignore-pattern test/* && jest"
},
"version": "1.7.0"
}

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'use strict';
const ErrorStackParser = require('error-stack-parser');
const RequestShortener = require("webpack/lib/RequestShortener");
// TODO: allow the location to be customized in options
const requestShortener = new RequestShortener(process.cwd());
/*
This logic is mostly duplicated from webpack/lib/Stats.js#toJson()
See: https://github.com/webpack/webpack/blob/2f618e733aab4755deb42e9d8e859609005607c0/lib/Stats.js#L89
*/
function extractError (e) {
return {
message: e.message,
file: getFile(e),
origin: getOrigin(e),
name: e.name,
severity: 0,
webpackError: e,
originalStack: getOriginalErrorStack(e)
};
}
function getOriginalErrorStack(e) {
while (e.error != null) {
e = e.error;
}
if (e.stack) {
return ErrorStackParser.parse(e);
}
return [];
}
function getFile (e) {
if (e.file) {
return e.file;
} else if (e.module && e.module.readableIdentifier && typeof e.module.readableIdentifier === "function") {
return e.module.readableIdentifier(requestShortener);
}
}
function getOrigin (e) {
let origin = '';
if (e.dependencies && e.origin) {
origin += '\n @ ' + e.origin.readableIdentifier(requestShortener);
e.dependencies.forEach(function (dep) {
if (!dep.loc) return;
if (typeof dep.loc === "string") return;
if (!dep.loc.start) return;
if (!dep.loc.end) return;
origin += ' ' + dep.loc.start.line + ':' + dep.loc.start.column + '-' +
(dep.loc.start.line !== dep.loc.end.line ? dep.loc.end.line + ':' : '') + dep.loc.end.column;
});
var current = e.origin;
while (current.issuer && typeof current.issuer.readableIdentifier === 'function') {
current = current.issuer;
origin += '\n @ ' + current.readableIdentifier(requestShortener);
}
}
return origin;
}
module.exports = extractError;

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'use strict';
/**
* Applies formatters to all AnnotatedErrors.
*
* A formatter has the following signature: FormattedError => Array<String>.
* It takes a formatted error produced by a transformer and returns a list
* of log statements to print.
*
*/
function formatErrors(errors, formatters, errorType) {
const format = (formatter) => formatter(errors, errorType) || [];
const flatten = (accum, curr) => accum.concat(curr);
return formatters.map(format).reduce(flatten, [])
}
module.exports = formatErrors;

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'use strict';
const extractError = require('./extractWebpackError');
/**
* Applies all transformers to all errors and returns "annotated"
* errors.
*
* Each transformer should have the following signature WebpackError => AnnotatedError
*
* A WebpackError has the following fields:
* - message
* - file
* - origin
* - name
* - severity
* - webpackError (original error)
*
* An AnnotatedError should be an extension (Object.assign) of the WebpackError
* and add whatever information is convenient for formatting.
* In particular, they should have a 'priority' field.
*
* The plugin will only display errors having maximum priority at the same time.
*
* If they don't have a 'type' field, the will be handled by the default formatter.
*/
function processErrors (errors, transformers) {
const transform = (error, transformer) => transformer(error);
const applyTransformations = (error) => transformers.reduce(transform, error);
return errors.map(extractError).map(applyTransformations);
}
module.exports = processErrors;

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'use strict';
const concat = require('../utils').concat;
const formatTitle = require('../utils/colors').formatTitle;
function displayError(severity, error) {
const baseError = formatTitle(severity, severity);
return concat(
`${baseError} ${removeLoaders(error.file)}`,
'',
error.message,
(error.origin ? error.origin : undefined),
'',
error.infos
);
}
function removeLoaders(file) {
if (!file) {
return "";
}
const split = file.split('!');
const filePath = split[split.length - 1];
return `in ${filePath}`;
}
function isDefaultError(error) {
return !error.type;
}
/**
* Format errors without a type
*/
function format(errors, type) {
return errors
.filter(isDefaultError)
.reduce((accum, error) => (
accum.concat(displayError(type, error))
), []);
}
module.exports = format;

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'use strict';
const concat = require('../utils').concat;
const chalk = require('chalk');
const infos = [
'You may use special comments to disable some warnings.',
'Use ' + chalk.yellow('// eslint-disable-next-line') + ' to ignore the next line.',
'Use ' + chalk.yellow('/* eslint-disable */') + ' to ignore all warnings in a file.'
];
function displayError(error) {
return [error.message, '']
}
function format(errors, type) {
const lintErrors = errors.filter(e => e.type === 'lint-error');
if (lintErrors.length > 0) {
const flatten = (accum, curr) => accum.concat(curr);
return concat(
lintErrors
.map(error => displayError(error))
.reduce(flatten, []),
infos
)
}
return [];
}
module.exports = format;

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'use strict';
const concat = require('../utils').concat;
function isRelative (module) {
return module.startsWith('./') || module.startsWith('../');
}
function formatFileList (files) {
const length = files.length;
if (!length) return '';
return ` in ${files[0]}${files[1] ? `, ${files[1]}` : ''}${length > 2 ? ` and ${length - 2} other${length === 3 ? '' : 's'}` : ''}`;
}
function formatGroup (group) {
const files = group.errors.map(e => e.file).filter(Boolean);
return `* ${group.module}${formatFileList(files)}`;
}
function forgetToInstall (missingDependencies) {
const moduleNames = missingDependencies.map(missingDependency => missingDependency.module);
if (missingDependencies.length === 1) {
return `To install it, you can run: npm install --save ${moduleNames.join(' ')}`;
}
return `To install them, you can run: npm install --save ${moduleNames.join(' ')}`;
}
function dependenciesNotFound (dependencies) {
if (dependencies.length === 0) return;
return concat(
dependencies.length === 1 ? 'This dependency was not found:' : 'These dependencies were not found:',
'',
dependencies.map(formatGroup),
'',
forgetToInstall(dependencies)
);
}
function relativeModulesNotFound (modules) {
if (modules.length === 0) return;
return concat(
modules.length === 1 ? 'This relative module was not found:' : 'These relative modules were not found:',
'',
modules.map(formatGroup)
);
}
function groupModules (errors) {
const missingModule = new Map();
errors.forEach((error) => {
if (!missingModule.has(error.module)) {
missingModule.set(error.module, [])
}
missingModule.get(error.module).push(error);
});
return Array.from(missingModule.keys()).map(module => ({
module: module,
relative: isRelative(module),
errors: missingModule.get(module),
}));
}
function formatErrors (errors) {
if (errors.length === 0) {
return [];
}
const groups = groupModules(errors);
const dependencies = groups.filter(group => !group.relative);
const relativeModules = groups.filter(group => group.relative);
return concat(
dependenciesNotFound(dependencies),
dependencies.length && relativeModules.length ? ['', ''] : null,
relativeModulesNotFound(relativeModules)
);
}
function format (errors) {
return formatErrors(errors.filter((e) => (
e.type === 'module-not-found'
)));
}
module.exports = format;

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'use strict';
const path = require('path');
const chalk = require('chalk');
const os = require('os');
const transformErrors = require('./core/transformErrors');
const formatErrors = require('./core/formatErrors');
const output = require('./output');
const utils = require('./utils');
const concat = utils.concat;
const uniqueBy = utils.uniqueBy;
const defaultTransformers = [
require('./transformers/babelSyntax'),
require('./transformers/moduleNotFound'),
require('./transformers/esLintError'),
];
const defaultFormatters = [
require('./formatters/moduleNotFound'),
require('./formatters/eslintError'),
require('./formatters/defaultError'),
];
class FriendlyErrorsWebpackPlugin {
constructor(options) {
options = options || {};
this.compilationSuccessInfo = options.compilationSuccessInfo || {};
this.onErrors = options.onErrors;
this.shouldClearConsole = options.clearConsole == null ? true : Boolean(options.clearConsole);
this.formatters = concat(defaultFormatters, options.additionalFormatters);
this.transformers = concat(defaultTransformers, options.additionalTransformers);
}
apply(compiler) {
const doneFn = stats => {
this.clearConsole();
const hasErrors = stats.hasErrors();
const hasWarnings = stats.hasWarnings();
if (!hasErrors && !hasWarnings) {
this.displaySuccess(stats);
return;
}
if (hasErrors) {
this.displayErrors(extractErrorsFromStats(stats, 'errors'), 'error');
return;
}
if (hasWarnings) {
this.displayErrors(extractErrorsFromStats(stats, 'warnings'), 'warning');
}
};
const invalidFn = () => {
this.clearConsole();
output.title('info', 'WAIT', 'Compiling...');
};
if (compiler.hooks) {
const plugin = { name: 'FriendlyErrorsWebpackPlugin' };
compiler.hooks.done.tap(plugin, doneFn);
compiler.hooks.invalid.tap(plugin, invalidFn);
} else {
compiler.plugin('done', doneFn);
compiler.plugin('invalid', invalidFn);
}
}
clearConsole() {
if (this.shouldClearConsole) {
output.clearConsole();
}
}
displaySuccess(stats) {
const time = getCompileTime(stats);
output.title('success', 'DONE', 'Compiled successfully in ' + time + 'ms');
if (this.compilationSuccessInfo.messages) {
this.compilationSuccessInfo.messages.forEach(message => output.info(message));
}
if (this.compilationSuccessInfo.notes) {
output.log();
this.compilationSuccessInfo.notes.forEach(note => output.note(note));
}
}
displayErrors(errors, severity) {
const processedErrors = transformErrors(errors, this.transformers);
const topErrors = getMaxSeverityErrors(processedErrors);
const nbErrors = topErrors.length;
const subtitle = severity === 'error' ?
`Failed to compile with ${nbErrors} ${severity}s` :
`Compiled with ${nbErrors} ${severity}s`;
output.title(severity, severity.toUpperCase(), subtitle);
if (this.onErrors) {
this.onErrors(severity, topErrors);
}
formatErrors(topErrors, this.formatters, severity)
.forEach(chunk => output.log(chunk));
}
}
function extractErrorsFromStats(stats, type) {
if (isMultiStats(stats)) {
const errors = stats.stats
.reduce((errors, stats) => errors.concat(extractErrorsFromStats(stats, type)), []);
// Dedupe to avoid showing the same error many times when multiple
// compilers depend on the same module.
return uniqueBy(errors, error => error.message);
}
return stats.compilation[type];
}
function getCompileTime(stats) {
if (isMultiStats(stats)) {
// Webpack multi compilations run in parallel so using the longest duration.
// https://webpack.github.io/docs/configuration.html#multiple-configurations
return stats.stats
.reduce((time, stats) => Math.max(time, getCompileTime(stats)), 0);
}
return stats.endTime - stats.startTime;
}
function isMultiStats(stats) {
return stats.stats;
}
function getMaxSeverityErrors(errors) {
const maxSeverity = getMaxInt(errors, 'severity');
return errors.filter(e => e.severity === maxSeverity);
}
function getMaxInt(collection, propertyName) {
return collection.reduce((res, curr) => {
return curr[propertyName] > res ? curr[propertyName] : res;
}, 0)
}
module.exports = FriendlyErrorsWebpackPlugin;

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'use strict';
const colors = require('./utils/colors');
const chalk = require('chalk');
const stringWidth = require('string-width');
const readline = require('readline');
class Debugger {
constructor () {
this.enabled = true;
this.capturing = false;
this.capturedMessages = [];
}
enable () {
this.enabled = true;
}
capture () {
this.enabled = true;
this.capturing = true;
}
endCapture () {
this.enabled = false;
this.capturing = false;
this.capturedMessages = [];
}
log () {
if (this.enabled) {
this.captureConsole(Array.from(arguments), console.log);
}
}
info (message) {
if (this.enabled) {
const titleFormatted = colors.formatTitle('info', 'I');
this.log(titleFormatted, message);
}
}
note (message) {
if (this.enabled) {
const titleFormatted = colors.formatTitle('note', 'N');
this.log(titleFormatted, message);
}
}
title (severity, title, subtitle) {
if (this.enabled) {
const date = new Date();
const dateString = chalk.grey(date.toLocaleTimeString());
const titleFormatted = colors.formatTitle(severity, title);
const subTitleFormatted = colors.formatText(severity, subtitle);
const message = `${titleFormatted} ${subTitleFormatted}`
// In test environment we don't include timestamp
if(process.env.NODE_ENV === 'test') {
this.log(message);
this.log();
return;
}
// Make timestamp appear at the end of the line
let logSpace = process.stdout.columns - stringWidth(message) - stringWidth(dateString)
if (logSpace <= 0) {
logSpace = 10
}
this.log(`${message}${' '.repeat(logSpace)}${dateString}`);
this.log();
}
}
clearConsole () {
if (!this.capturing && this.enabled && process.stdout.isTTY) {
// Fill screen with blank lines. Then move to 0 (beginning of visible part) and clear it
const blank = '\n'.repeat(process.stdout.rows)
console.log(blank)
readline.cursorTo(process.stdout, 0, 0)
readline.clearScreenDown(process.stdout)
}
}
captureLogs (fun) {
try {
this.capture();
fun.call();
return this.capturedMessages;
} catch (e) {
throw e;
} finally {
this.endCapture();
}
}
captureConsole (args, method) {
if (this.capturing) {
this.capturedMessages.push(chalk.stripColor(args.join(' ')).trim());
} else {
method.apply(console, args);
}
}
}
function capitalizeFirstLetter (string) {
return string.charAt(0).toUpperCase() + string.slice(1);
}
module.exports = new Debugger();

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'use strict';
/**
* This will be removed in next versions as it is not handled in the babel-loader
* See: https://github.com/geowarin/friendly-errors-webpack-plugin/issues/2
*/
function cleanStackTrace(message) {
return message
.replace(/^\s*at\s.*:\d+:\d+[\s\)]*\n/gm, ''); // at ... ...:x:y
}
function cleanMessage(message) {
return message
// match until the last semicolon followed by a space
// this should match
// linux => "(SyntaxError: )Unexpected token (5:11)"
// windows => "(SyntaxError: C:/projects/index.js: )Unexpected token (5:11)"
.replace(/^Module build failed.*:\s/, 'Syntax Error: ');
}
function isBabelSyntaxError(e) {
return e.name === 'ModuleBuildError' &&
e.message.indexOf('SyntaxError') >= 0;
}
function transform(error) {
if (isBabelSyntaxError(error)) {
return Object.assign({}, error, {
message: cleanStackTrace(cleanMessage(error.message) + '\n'),
severity: 1000,
name: 'Syntax Error',
});
}
return error;
}
module.exports = transform;

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'use strict';
function isEslintError (e) {
return e.originalStack
.some(stackframe => stackframe.fileName && stackframe.fileName.indexOf('eslint-loader') > 0);
}
function transform(error) {
if (isEslintError(error)) {
return Object.assign({}, error, {
name: 'Lint error',
type: 'lint-error',
});
}
return error;
}
module.exports = transform;

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'use strict';
const TYPE = 'module-not-found';
function isModuleNotFoundError (e) {
const webpackError = e.webpackError || {};
return webpackError.dependencies
&& webpackError.dependencies.length > 0
&& e.name === 'ModuleNotFoundError'
&& e.message.indexOf('Module not found') === 0;
}
function transform(error) {
const webpackError = error.webpackError;
if (isModuleNotFoundError(error)) {
const module = webpackError.dependencies[0].request;
return Object.assign({}, error, {
message: `Module not found ${module}`,
type: TYPE,
severity: 900,
module,
name: 'Module not found'
});
}
return error;
}
module.exports = transform;

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'use strict';
const chalk = require('chalk');
function formatTitle(severity, message) {
return chalk[bgColor(severity)].black('', message, '');
}
function formatText(severity, message) {
return chalk[textColor(severity)](message);
}
function bgColor(severity) {
const color = textColor(severity);
return 'bg'+ capitalizeFirstLetter(color)
}
function textColor(serverity) {
switch (serverity.toLowerCase()) {
case 'success': return 'green';
case 'info': return 'blue';
case 'note': return 'white';
case 'warning': return 'yellow';
case 'error': return 'red';
default: return 'red';
}
}
function capitalizeFirstLetter(string) {
return string.charAt(0).toUpperCase() + string.slice(1);
}
module.exports = {
bgColor: bgColor,
textColor: textColor,
formatTitle: formatTitle,
formatText: formatText
};

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'use strict';
/**
* Concat and flattens non-null values.
* Ex: concat(1, undefined, 2, [3, 4]) = [1, 2, 3, 4]
*/
function concat() {
const args = Array.from(arguments).filter(e => e != null);
const baseArray = Array.isArray(args[0]) ? args[0] : [args[0]];
return Array.prototype.concat.apply(baseArray, args.slice(1));
}
/**
* Dedupes array based on criterion returned from iteratee function.
* Ex: uniqueBy(
* [{ id: 1 }, { id: 1 }, { id: 2 }],
* val => val.id
* ) = [{ id: 1 }, { id: 2 }]
*/
function uniqueBy(arr, fun) {
const seen = {};
return arr.filter(el => {
const e = fun(el);
return !(e in seen) && (seen[e] = 1);
})
}
module.exports = {
concat: concat,
uniqueBy: uniqueBy
};